1422469 has 2 divisors, whose sum is σ = 1422470. Its totient is φ = 1422468.

The previous prime is 1422461. The next prime is 1422493. The reversal of 1422469 is 9642241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925444 + 497025 = 962^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422469 - 2³ = 1422461 is a prime.

It is a super-2 number, since 2×1422469² = 4046836111922, which contains 22 as substring.

1422469 is a lucky number.

It is equal to p₁₀₈₆₅₈ and since 1422469 and 108658 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711234 + 711235.

It is an arithmetic number, because the mean of its divisors is an integer number (711235).

2^1422469 is an apocalyptic number.

It is an amenable number.

1422469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422469 is an equidigital number, since it uses as much as digits as its factorization.

1422469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 1422469 is about 1192.6730482408. The cubic root of 1422469 is about 112.4641927194.

It can be divided in two parts, 1422 and 469, that added together give a triangular number (1891 = T₆₁).

The spelling of 1422469 in words is "one million, four hundred twenty-two thousand, four hundred sixty-nine".